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GrogVix [38]
3 years ago
6

What is the domain and range for f(x)=2/3x-3​

Mathematics
1 answer:
maks197457 [2]3 years ago
4 0

Answer:

Domain: ( − ∞ , ∞ )  ,  { x | x  ∈ R }

Range: ( − ∞ , ∞ )  ,  { y | y  ∈ R }

Step-by-step explanation:

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Explain why the 25 is rational and the square root of 26 is irrational
torisob [31]

Step-by-step explanation:

rational expression can be written as a ratio and all neutral numbers xan be written as a ratio

root of 26 is irrational because it can't be written as a ratio since its not a whole number.

6 0
3 years ago
What are the measurements of the little 2 small cube things on each side, better yet what's the surface area? Thank you
Arisa [49]

<u>Answer:</u>

  • 166 units²

<u>Step-by-step explanation:</u>

<u>We know that:</u>

  • W = 7
  • L = 5
  • H = 4

<u>Surface area is the area of the faces of the cuboid.</u>

<u>Work:</u>

  • => 2(7 x 4) + 2(5 x 4) + 2(5 x 7)
  • => 2(28) + 2(20) + 2(35)
  • => 56 + 40 + 70
  • => 166 units²

Hence, <u>Option C is correct.</u>

Hoped this helped.

BrainiacUser1357

4 0
2 years ago
Find the area of this circle. Use 3.14 to approximate Pi
bekas [8.4K]

\pi {r}^{2} \\  \:  \:  \:  \:  \:  \:  = 3.14 \times 13 {cm}^{2}  \\  = 530.66 {cm}^{2}

6 0
2 years ago
How do i do this question ........................,,,,
swat32
You equal each to zero, so -6,0,3,7

3 0
3 years ago
Brand Number of Packets Cost
mash [69]

Brand 2 is the best value ⇒ B

Step-by-step explanation:

Let us write the Brand, Number of Packets and Cost

  • → Brand : Number of Packets : Cost
  • → 1          : 12                              : $10.68
  • → 2         : 16                              : $9.44
  • → 3         : 18                              : $15.30
  • → 4         : 24                             : $21.84
  • → 5         : 30                             : $20.40

We need to find what brand is the best value

To find that let us find the price of each packet in each brand, by dividing the price of the brand by the number of the packets, the cheapest price is the best

∵ Brand 1 has 12 packets

∵ The price of Brand 1 is $10.68

∴ The price of each packet = 10.68 ÷ 12 = 0.89

∴ The price of each packet in Brand 1 is $0.89

∵ Brand 2 has 16 packets

∵ The price of Brand 2 is $9.44

∴ The price of each packet = 9.44 ÷ 16 = 0.59

∴ The price of each packet in Brand 2 is $0.59

∵ Brand 3 has 18 packets

∵ The price of Brand 3 is $15.30

∴ The price of each packet = 15.30 ÷ 18 = 0.85

∴ The price of each packet in Brand 3 is $0.85

∵ Brand 4 has 24 packets

∵ The price of Brand 4 is $21.84

∴ The price of each packet = 21.84 ÷ 24 = 0.91

∴ The price of each packet in Brand 4 is $0.91

∵ Brand 5 has 30 packets

∵ The price of Brand 5 is $20.40

∴ The price of each packet = 20.40 ÷ 30 = 0.68

∴ The price of each packet in Brand 5 is $0.68

∵ The least price of a packet is in Brand 2

∴ The cheapest price is Brand 2

Brand 2 is the best value

Learn more:

You can learn more about the word problems in brainly.com/question/2686310

#LearnwithBrainly

8 0
3 years ago
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